/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-general: #f5f7fa;
    --bg-card: #ffffff;
    --color-primary: #1a365d;
    --color-accent: #3182ce;
    --color-success: #38a169;
    --color-danger: #e53e3e;
    --color-warning: #d69e2e;
    --color-dark: #4a5568;
    --color-text: #2d3748;
    --color-muted: #a0aec0;
    --color-border: #e2e8f0;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    background: var(--bg-general);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 15px;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* ===== LOGIN PAGE ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--color-primary);
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

.login-header p {
    color: var(--color-muted);
    font-size: 0.9rem;
}

/* ===== ADMIN LAYOUT ===== */
.admin-body {
    min-height: 100vh;
}

.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--color-primary);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    font-size: 1.3rem;
    margin-bottom: 0.25rem;
}

.sidebar-user {
    font-size: 0.85rem;
    opacity: 0.7;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    font-size: 0.95rem;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    text-decoration: none;
}

.nav-item.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-left: 3px solid var(--color-accent);
}

.nav-icon {
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.nav-logout {
    margin-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-bar h1 {
    font-size: 1.3rem;
    color: var(--color-primary);
}

.top-bar-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    color: var(--color-primary);
}

.content-area {
    padding: 2rem;
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-top: 0.25rem;
}

/* ===== SECTION HEADER ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.2rem;
    color: var(--color-primary);
}

/* ===== TABLES ===== */
.table-responsive {
    overflow-x: auto;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table th {
    background: var(--color-primary);
    color: #fff;
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

.table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.table tbody tr:nth-child(even) {
    background: #f8fafc;
}

.table tbody tr:hover {
    background: #edf2f7;
}

.actions-cell {
    white-space: nowrap;
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s;
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}
.btn-primary:hover {
    background: #2c5282;
    color: #fff;
}

.btn-success {
    background: var(--color-success);
    color: #fff;
}
.btn-success:hover {
    background: #2f855a;
    color: #fff;
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
}
.btn-danger:hover {
    background: #c53030;
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}
.btn-outline:hover {
    background: var(--color-accent);
    color: #fff;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.3rem;
    border-radius: 4px;
    transition: background 0.2s;
    text-decoration: none;
}

.btn-icon:hover {
    background: #edf2f7;
    text-decoration: none;
}

.btn-icon-danger:hover {
    background: #fed7d7;
}

.btn-icon-sm {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
}

.btn-icon-sm:hover {
    background: #edf2f7;
}

.btn-icon-sm.btn-icon-danger:hover {
    background: #fed7d7;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: #c6f6d5;
    color: #22543d;
}

.badge-danger {
    background: #fed7d7;
    color: #742a2a;
}

.badge-warning {
    background: #fefcbf;
    color: #744210;
}

.badge-dark {
    background: #e2e8f0;
    color: #2d3748;
}

.badge-info {
    background: #bee3f8;
    color: #2a4365;
}

/* ===== ALERTS ===== */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-success {
    background: #f0fff4;
    border: 1px solid #c6f6d5;
    color: #22543d;
}

.alert-danger {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    color: #742a2a;
}

.alert-info {
    background: #ebf8ff;
    border: 1px solid #bee3f8;
    color: #2a4365;
}

/* ===== FORMS ===== */
.form-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.form-card h3 {
    margin-bottom: 1rem;
    color: var(--color-primary);
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="datetime-local"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

.flex-2 {
    flex: 2 !important;
}

.flex-1 {
    flex: 1 !important;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* ===== FORM BUILDER ===== */
.field-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.fields-container {
    min-height: 100px;
}

.field-block {
    background: #f8fafc;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    overflow: hidden;
}

.field-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: #edf2f7;
    border-bottom: 1px solid var(--color-border);
}

.field-type-badge {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
}

.field-block-actions {
    display: flex;
    gap: 0.25rem;
}

.field-block-body {
    padding: 1rem;
}

.options-panel {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.options-panel label {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: block;
}

.options-list {
    margin-bottom: 0.5rem;
}

.option-item {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.4rem;
}

.option-item input {
    flex: 1;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.9rem;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

.toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

/* ===== GENERATED LINK ===== */
.generated-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.link-input {
    flex: 1;
    min-width: 200px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    background: #f8fafc;
}

/* ===== RESPONSE VIEW ===== */
.response-header {
    margin-bottom: 1.5rem;
}

.response-header h2 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.response-detail-header {
    margin-bottom: 1.5rem;
}

.response-detail-header h2 {
    margin: 0.5rem 0;
}

.response-date {
    font-size: 1rem;
    margin: 0.25rem 0;
}

.response-ip {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.action-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-bar {
    margin-bottom: 1rem;
}

.filter-bar input {
    padding: 0.6rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    width: 100%;
    max-width: 300px;
}

/* Response Data */
.response-data {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.response-data h3 {
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.response-field {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
}

.response-field:last-child {
    border-bottom: none;
}

.field-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.field-value {
    font-size: 0.95rem;
}

.textarea-value {
    white-space: pre-wrap;
}

.checkbox-list {
    list-style: disc;
    padding-left: 1.5rem;
}

/* Attachments */
.response-attachments {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.response-attachments h3 {
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

hr.thick {
    border: none;
    border-top: 2px solid var(--color-primary);
    margin-bottom: 1rem;
}

.attachment-block {
    padding: 1rem;
    margin-bottom: 1rem;
    background: #f8fafc;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.attachment-block h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.attachment-preview {
    margin: 0.75rem 0;
}

.attachment-thumb {
    max-width: 300px;
    max-height: 300px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    cursor: pointer;
}

.attachment-file {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0.5rem 0;
}

.file-icon {
    font-size: 2rem;
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    gap: 0.25rem;
    margin-top: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text);
    text-decoration: none;
}

.page-link:hover {
    background: var(--color-accent);
    color: #fff;
    text-decoration: none;
}

.page-link.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-muted);
}

.empty-state p {
    margin-bottom: 1rem;
}

/* ===== PUBLIC FORM ===== */
.public-body {
    background: var(--bg-general);
    min-height: 100vh;
    padding: 2rem 1rem;
}

.public-container {
    max-width: 640px;
    margin: 0 auto;
}

.public-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.form-header h1 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.form-description {
    color: var(--color-dark);
    font-size: 0.95rem;
}

.public-field {
    margin-bottom: 1.25rem;
}

.public-field label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.public-field input[type="text"],
.public-field input[type="email"],
.public-field input[type="tel"],
.public-field input[type="number"],
.public-field input[type="date"],
.public-field input[type="time"],
.public-field textarea,
.public-field select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.public-field input:focus,
.public-field textarea:focus,
.public-field select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.public-field textarea {
    resize: vertical;
    min-height: 100px;
}

.public-field.has-error input,
.public-field.has-error textarea,
.public-field.has-error select {
    border-color: var(--color-danger);
}

.field-error {
    display: block;
    color: var(--color-danger);
    font-size: 0.8rem;
    margin-top: 0.3rem;
    min-height: 0;
}

.required {
    color: var(--color-danger);
}

/* Radio & Checkbox groups */
.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 400;
    font-size: 0.95rem;
}

.radio-label input,
.checkbox-label input {
    width: 18px;
    height: 18px;
}

.declaration-group {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.declaration-label {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* File input */
.file-input-wrapper {
    position: relative;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-label {
    display: block;
    position: relative;
    cursor: pointer;
}

.file-button {
    display: block;
    padding: 1rem;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    text-align: center;
    color: var(--color-accent);
    font-weight: 500;
    transition: border-color 0.2s, background 0.2s;
}

.file-button:hover {
    border-color: var(--color-accent);
    background: #ebf8ff;
}

.file-name {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-dark);
}

/* Submit button */
.btn-submit {
    margin-top: 1.5rem;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    position: relative;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success */
.success-card {
    text-align: center;
    padding: 3rem 2rem;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-success);
    color: #fff;
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.success-content p {
    font-size: 1.1rem;
    color: var(--color-text);
}

/* Error page */
.error-page {
    text-align: center;
    padding: 2rem;
}

.error-page h1 {
    color: var(--color-danger);
    font-size: 1.3rem;
}

/* ===== UTILITIES ===== */
.text-muted {
    color: var(--color-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .top-bar-actions {
        display: none;
    }
    
    .content-area {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem 0.6rem;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .action-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* Public form mobile */
    .public-body {
        padding: 1rem 0.5rem;
    }
    
    .public-card {
        padding: 1.5rem 1rem;
    }
    
    .public-field input,
    .public-field textarea,
    .public-field select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .btn-submit {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .field-buttons {
        gap: 0.3rem;
    }
    
    .field-buttons .btn {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
}